[INFO] fetching crate task_pool 0.1.5...
[INFO] testing task_pool-0.1.5 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate task_pool 0.1.5 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate task_pool 0.1.5
[INFO] finished tweaking crates.io crate task_pool 0.1.5
[INFO] tweaked toml for crates.io crate task_pool 0.1.5 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate task_pool 0.1.5 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm_sync v0.1.2
[INFO] [stderr]   Downloaded takecell v0.1.1
[INFO] [stderr]   Downloaded priority-queue v2.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe8a7a8258f499ee8453d9ab0a214364cadadc08e045aa45cc66a6d04c4ae0e8
[INFO] running `Command { std: "docker" "start" "-a" "fe8a7a8258f499ee8453d9ab0a214364cadadc08e045aa45cc66a6d04c4ae0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe8a7a8258f499ee8453d9ab0a214364cadadc08e045aa45cc66a6d04c4ae0e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe8a7a8258f499ee8453d9ab0a214364cadadc08e045aa45cc66a6d04c4ae0e8", kill_on_drop: false }`
[INFO] [stdout] fe8a7a8258f499ee8453d9ab0a214364cadadc08e045aa45cc66a6d04c4ae0e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef1c6389a8055f89a960976b767db448d147101c1fcd9c747bc6fe79b5ab2694
[INFO] running `Command { std: "docker" "start" "-a" "ef1c6389a8055f89a960976b767db448d147101c1fcd9c747bc6fe79b5ab2694", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling takecell v0.1.1
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling arc-swap v1.9.1
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling priority-queue v2.7.0
[INFO] [stderr]    Compiling task_pool v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error: implicit autoref creates a reference to the dereference of a raw pointer
[INFO] [stdout]    --> src/lib.rs:938:26
[INFO] [stdout]     |
[INFO] [stdout] 938 |                         *(*inner.results.get()).get_unchecked(idx).get() = MaybeUninit::new(func());
[INFO] [stdout]     |                          ^^-------------------^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            this raw pointer has type `*mut Vec<std::cell::UnsafeCell<std::mem::MaybeUninit<T>>>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: creating a reference requires the pointer target to be valid and imposes aliasing requirements
[INFO] [stdout] note: autoref is being applied to this expression, resulting in: `&[std::cell::UnsafeCell<std::mem::MaybeUninit<T>>]`
[INFO] [stdout]    --> src/lib.rs:938:26
[INFO] [stdout]     |
[INFO] [stdout] 938 |                         *(*inner.results.get()).get_unchecked(idx).get() = MaybeUninit::new(func());
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: method calls to `get_unchecked` require a reference
[INFO] [stdout]    --> /rustc/ec6f9a5b4413f74386267ef8efc93712c2ce6db6/library/core/src/slice/mod.rs:639:4
[INFO] [stdout]     = note: `#[deny(dangerous_implicit_autorefs)]` on by default
[INFO] [stdout] help: try using a raw pointer method instead; or if this reference is intentional, make it explicit
[INFO] [stdout]     |
[INFO] [stdout] 938 |                         *(&(*inner.results.get())).get_unchecked(idx).get() = MaybeUninit::new(func());
[INFO] [stdout]     |                          ++                      +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `task_pool` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ef1c6389a8055f89a960976b767db448d147101c1fcd9c747bc6fe79b5ab2694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1c6389a8055f89a960976b767db448d147101c1fcd9c747bc6fe79b5ab2694", kill_on_drop: false }`
[INFO] [stdout] ef1c6389a8055f89a960976b767db448d147101c1fcd9c747bc6fe79b5ab2694
